661902128

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{6719}}^1$

素因数の和:6905

約数の個数: 40

約数和(自身を含む): 1319915520

約数和(自身を除く): 658013392

約数列:

[1, 2, 4, 8, 16, 47, 94, 131, 188, 262, 376, 524, 752, 1048, 2096, 6157, 6719, 12314, 13438, 24628, 26876, 49256, 53752, 98512, 107504, 315793, 631586, 880189, 1263172, 1760378, 2526344, 3520756, 5052688, 7041512, 14083024, 41368883, 82737766, 165475532, 330951064, 661902128]

約数ペア:

[(1, 661902128), (2, 330951064), (4, 165475532), (8, 82737766), (16, 41368883), (47, 14083024), (94, 7041512), (131, 5052688), (188, 3520756), (262, 2526344), (376, 1760378), (524, 1263172), (752, 880189), (1048, 631586), (2096, 315793), (6157, 107504), (6719, 98512), (12314, 53752), (13438, 49256), (24628, 26876)]